Stackable rack



FIG. 1 is a perspective view of a stackable rack showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is an enlarged view of an indicated portion of FIG. 1 ;

FIG. 9 is an enlarged view of an indicated portion of FIG. 4 ; and,

FIG. 10 is an enlarged view of an indicated portion of FIG. 6 .

The dash-dash broken lines in FIGS. 1-10 illustrate portions of the stackable rack that form no part of the claimed design. The dot-dash broken lines in FIGS. 1, 4, and 6 indicate enlargement regions and the dot-dash broken lines in FIGS. 8-10 illustrate the boundaries of the figures. 

CLAIM The ornamental design for a stackable rack, as shown and described. 